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[95.248.227.210]) by smtp.googlemail.com with ESMTPSA id ffacd0b85a97d-47a9de1d910sm52894965f8f.6.2026.07.09.13.57.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Jul 2026 13:57:04 -0700 (PDT) From: Christian Marangi To: Greg Kroah-Hartman , Jiri Slaby , Rob Herring , Krzysztof Kozlowski , Conor Dooley , =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= , Christian Marangi , Andy Shevchenko , Benjamin Larsson , John Ogness , Marco Felsch , Gerhard Engleder , Jiaxun Yang , Randy Dunlap , Binbin Zhou , Rong Zhang , Lukas Wunner , Lubomir Rintel , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org Subject: [PATCH 0/4] serial: 8250: Add AN7581 UART support Date: Thu, 9 Jul 2026 22:56:48 +0200 Message-ID: <20260709205656.319531-1-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This is a new version of [1] to support UART driver for Airoha SoC. One additional function was needed serial8250_get_baud_rate() for the driver to work correctly for baud rate calculation. While at it also try to clarify a long standing issue with new UART driver when adding new ids for uart_config[]. [1] https://lore.kernel.org/all/20250209210241.2622309-1-benjamin.larsson@genexis.eu/ Changes compared to [1]: - Fix all formal error - Use better compatible names - Drop unneeded header - Drop usage of irq (it's filled by the generic function) - General code cleanup and reorg - Split to patch and add the UAPI map patch Benjamin Larsson (1): dt-bindings: serial: 8250: Add Airoha compatibles Christian Marangi (3): serial: 8250: export serial8250_get_baud_rate() serial: 8250: map UAPI port type to internal enum serial: 8250: Add Airoha SoC UART and HSUART support .../devicetree/bindings/serial/8250.yaml | 5 + drivers/tty/serial/8250/8250.h | 126 ++++++++++++ drivers/tty/serial/8250/8250_airoha.c | 190 ++++++++++++++++++ drivers/tty/serial/8250/8250_port.c | 95 +++++---- drivers/tty/serial/8250/Kconfig | 11 + drivers/tty/serial/8250/Makefile | 1 + include/linux/serial_8250.h | 4 + 7 files changed, 393 insertions(+), 39 deletions(-) create mode 100644 drivers/tty/serial/8250/8250_airoha.c -- 2.53.0